Answer to Question 1
ANS: B
Secondary prevention measures, including screening techniques, make a difference in the death rates for breast cancer. Early detection often means cure, whereas late detection typically results in an unfavorable prognosis. A potential harm from screening does not exist.
Answer to Question 2
ANS: C
Having a father or brother who has had prostate cancer places a man at higher risk for developing prostate cancer. Being of African American descent places a man at higher risk for developing prostate cancer. The PSA test is not accurate in terms of sensitivity or specificity, but it is used as a screening test. BPH can cause an elevated PSA test result.